/*
 * This file is part of Applied Energistics 2. Copyright (c) 2013 - 2014, AlgorithmX2, All rights reserved. Applied
 * Energistics 2 is free software: you can redistribute it and/or modify it under the terms of the GNU Lesser General
 * Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any
 * later version. Applied Energistics 2 is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
 * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General
 * Public License for more details. You should have received a copy of the GNU Lesser General Public License along with
 * Applied Energistics 2. If not, see <http://www.gnu.org/licenses/lgpl>.
 */

package appeng.util.item;

import java.util.ArrayList;
import java.util.Collection;
import java.util.HashSet;
import java.util.LinkedList;
import java.util.List;
import java.util.Set;

import net.minecraft.item.ItemStack;

import appeng.api.storage.data.IAEItemStack;

public class OreReference {

    private final List<String> otherOptions = new LinkedList<>();
    private final Set<Integer> ores = new HashSet<>();
    private List<IAEItemStack> aeOtherOptions = null;

    public Collection<String> getEquivalents() {
        return this.otherOptions;
    }

    List<IAEItemStack> getAEEquivalents() {
        if (this.aeOtherOptions == null) {
            this.aeOtherOptions = new ArrayList<>(this.otherOptions.size());

            // SUMMON AE STACKS!
            for (final String oreName : this.otherOptions) {
                for (final ItemStack is : OreHelper.INSTANCE.getCachedOres(oreName)) {
                    if (is.getItem() != null) {
                        this.aeOtherOptions.add(AEItemStack.create(is));
                    }
                }
            }
        }

        return this.aeOtherOptions;
    }

    Set<Integer> getOres() {
        return this.ores;
    }
}
